DrJack's BLIPSPOT for: SAT 04/18 Atkins_VA 2558ft pt29724@36.958,-81.342,2720ft SPONSORED BY: Randy Newberry BLIPSPOT sfc.temp. adjusted by -0.5 degF RUC - Last Analysis,Validation Time = 09Z 21Z ----------------------------------- VALIDATION TIME --------------------------------------- 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z ------------------------------------------------------------------------------------------- Update Time - - - - - - 0659z - - 1002z - - - Update Time FCST PERIOD - - - - - - 12 hr - - 12 hr - - - FCST PERIOD Temp@2m - - - - - - 77.9 - - 76.3 - - - Temp@2m Sfc.Heating - - - - - - 332 - - 139 - - - Sfc.Heating BL Depth - - - - - - 5182 - - 259 - - - BL Depth Hcrit - - - - - - 6209 - - 2801 - - - Hcrit BL Top - - - - - - 7740 - - 2817 - - - BL Top Hgt.Variab. - - - - - - 1780 - - 7218 - - - Hgt.Variab. W* - - - - - - 501 - - 139 - - - W* B/S - - - - - - 6 - - 2 - - - B/S BL Wind - - - - - - 15 - - 10 - - - BL Wind Direction - - - - - - 225 - - 256 - - - Direction Wind Shear - - - - - - 8 - - 0 - - - Wind Shear Max.Converg - - - - - - -5 - - -1 - - - Max.Converg CLOUDpotent - - - - - - -735 - - -4524 - - - CLOUDpotentl sfcLCL - - - - - - 8476 - - 7341 - - - sfcLCL ODpotential - - - - - - -3757 - - -5309 - - - ODpotential blCL - - - - - - 11497 - - 8126 - - - blCL maxRH - - - - - - 80 - - 93 - - - maxRH CAPE - - - - - - 110 - - 540 - - - CAPE Temp@2m - - - - - - 77.9 - - 76.3 - - - Temp@2m DewPt@2m - - - - - - 50.2 - - 53.6 - - - DewPt@2m Temp@Bot - - - - - - 75.6 - - 74.8 - - - Temp@Bot DewPt@Bot - - - - - - 49.4 - - 53.1 - - - DewPt@bot Sfc.Heating - - - - - - 332 - - 139 - - - Sfc.Heating BL Depth - - - - - - 5182 - - 259 - - - BL Depth EXPERIMENT - - - - - - 21 - - 73 - - - EXPERIMENT EXPERIMENT2 - - - - - - 8 - - 10 - - - EXPERIMENT2 PROFILES OF WIND SPEED [kt] AND DIRECTION [degTrue] ----------------------------------- VALIDATION TIME --------------------------------------- Height 12Z 13Z 14Z 15Z 16Z 17Z 18Z 19Z 20Z 21Z 22Z 23Z 0Z [ft] ------------------------------------------------------------------------------------------- [ft] 97088 38 242 38 260 97088 89816 23 242 30 257 89816 84225 12 263 19 242 84225 79609 12 280 13 248 79609 75655 7 268 10 262 75655 72159 4 270 4 252 72159 68971 9 285 5 232 68971 66024 17 284 15 296 66024 63286 22 285 21 260 63286 60637 21 257 22 264 60637 57882 28 266 31 260 57882 55020 38 269 37 264 55020 52293 57 262 50 262 52293 49850 56 257 55 255 49850 47664 55 267 64 264 47664 45692 71 267 74 263 45692 43890 79 266 83 265 43890 42231 79 268 95 265 42231 40690 75 268 92 264 40690 39249 70 267 81 263 39249 37894 68 266 75 262 37894 36586 68 267 75 260 36586 35258 65 265 69 257 35258 33880 56 262 67 259 33880 32459 51 256 64 263 32459 30983 50 254 54 257 30983 29440 48 246 51 247 29440 27834 44 244 52 244 27834 26165 44 249 53 245 26165 24430 45 250 51 246 24430 22635 44 249 50 250 22635 20780 42 245 49 253 20780 18859 40 251 45 243 18859 16911 35 251 44 238 16911 15042 29 241 40 241 15042 13343 30 240 36 229 13343 11830 31 239 33 218 11830 10476 27 229 28 211 10476 9263 21 213 25 211 9263 8177 17*211 21 220 8177 7208 17*213 19 234 7208 6348 16 217 19 240 6348 5581 16 223 19 248 5581 4890 16 227 19 251 4890 4274 16 229 18 253 4274 3757 15 231 18 254 3757 3358 15 233 18 255 3358 3082 14 233 16 255 3082 2914 13 234 15 256 2914 2817 10 234 10*256 2817 PARAMETER KEY: (basic parameter information is provided at http://www.drjack.info/BLIP/INFO/basic_parameters.html) (more complete parameter descriptions are at http://www.drjack.info/BLIP/RUC/INFO/parameters.html) (additional help is at http://www.drjack.info/BLIP/INFO/index.html, e.g. "For NEW USERS" section) --------------------------------------------------------------------------------------------------- Update Time = UTC Time of BLIPSPOT calculation FCST PERIOD = Hours from model initialization time Temp@2m = Temperature at 2m AGL [F] Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] Hcrit = Height of Critical Updraft Strength [ftMSL] BL Top = Height of Boundary Layer Top (TI=0 height) [ftMSL] Hgt.Variab = Thermal Height Variability (difference between TI=+4{F} & TI=0 Heights) [ft] W* = Thermal Updraft Velocity (subtract glider sink rate to get vario) [fpm] B/S = Buoyancy/Shear Ratio (thermals may be unworkable if 5 or less) BL Wind = Wind Speed averaged through BL [kt] Direction = Wind Direction averaged through BL [degTrue] Max.Converg = Max. Vertical Velocity created by BL Convergence [x10^-2 kt] (note: BLIPMAPs provide better evaluation since convergence lines are usually mobile CLOUDpotent = Expect clouds at or above sfcLCL if positive (difference between H(TI=0) & sfcLCL) [ft] sfcLCL = Base of Lowest Clouds, if CLOUDpotent>0 (LCL = Lifting Condensation Level based upon sfc. humidity) [ftMSL] ODpotential = Expect extensive clouds at blCL if positive (difference between H(TI=0) & blCL) [ft] bLCL = Base of Extensive Clouds, if ODpotential>0 (bl CL = Condensation Level based upon BL humidity) [ftMSL] maxRH = Maximum Relative Humidity in BL [%] CAPE = Convective Available Potential Energy [J/kg] Temp@2m = Temperature at 2m AGL [F] DewPt@2m = Dew Point Temp. at 2m AGL [F] Temp@Bot = Temperature at 16m AGL (bottom of grid) [F] (intended for DrJack's use) DewPt@Bot = Dew Point Temp. at 16m AGL (bottom of grid) [F] (intended for DrJack's use) Sfc.Heating = Surface Heating of atmosphere [W/m^2] BL Depth = Depth of the Boundary (Mixing) Layer [ft] EXPERIMENT = Mystery variable for test purposes (intended for DrJack's use) * = Indicates BL Top (TI=0 Height) on profiles Note: printed heights are for 18Z - heights for other times differ slightly Results neglect thermals created by small-scale features not resolved by the smoothed model topography